Yazar
j w t bottema
9 cilt bulundu.
J. W. T. Bottema · Regional Co-ordination Centre for Research and Development of Coarse Grains, Pulses, Roots and Tuber Crops in the Humid Tropics of Asia and the Pacific
214 sayfa · 1994
Legume industry / Congresses / Grain trade
J. W. T. Bottema · Regional Co-ordination Centre for Research and Development of Coarse Grains, Pulses, Roots and Tuber Crops in the Humid Tropics of Asia and the Pacific
258 sayfa · 1994
Congresses / Hill farming / Economic aspects
J. W. T. Bottema · Regional Co-ordination Centre for Research and Development of Coarse Grains, Pulses, Roots and Tuber Crops in the Humid Tropics of Asia and the Pacific
113 sayfa · 1991
Sweet potato industry / Sweet potatoes
J. W. T. Bottema · J.W.T. Bottema
345 sayfa · 1995
Agriculture / Economic aspects / Economic aspects of Agriculture / Farm produce / History
J. W. T. Bottema · Regional Co-ordination Center for Research and Development of Coarse Grains, Pulses, Roots and Tuber Crops in the Humid Tropics of Asia and the Pacific
282 sayfa · 1996
Women in agriculture / Congresses / Hill farming
J. W. T. Bottema, G. Gijsbers · Regional Co-ordination Centre for Research and Development of Coarse Grains, Pulses, Roots and Tuber Crops in the Humid Tropics of Asia and the Pacific
477 sayfa · 1987
Congresses / Soybean / Research
J. W. T. Bottema, G. A. C. De Silva · Regional Co-ordination Centre for Research and Development of Coarse Grains, Pulses, Roots and Tuber Crops in the Humid Tropics of Asia and the Pacific
166 sayfa · 1994
Food consumption / Produce trade / Congresses